Hill's credits in the Apatow Empire include "The 40 You-Old Virgin" and "Knocked Up," as well as "Superbad" and "Forgetting Sarah Marshall."

Best known from "Rushmore" and "The Darjeeling Limited," Schwartzman had a cameo in the Apatow-produced "Walk Hard" last winter.

While Bana's more recent credits have included serious offerings like "The Other Boleyn Girl" and the upcoming "Star Trek" and "The Time Traveler's Wife," his career began in Australia in stand-up and sketch comedy.